najimadi najimadi
  • 18-03-2018
  • Mathematics
contestada

X=3 and y=15
twice the sum of a number x and 8

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kaygoode64
kaygoode64 kaygoode64
  • 18-03-2018
(x+8)*2
when you evaluate, you get 22
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lintiffany lintiffany
  • 18-03-2018
The expression would be 2*(x+8)
Plugging 3 into x, you get 2*(3+8)
Parentheses first: (3+8)=11
2*11=22

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